Stygimoloch
“`html Stygimoloch: Profile of a Prehistoric Giant Stygimoloch Stygimoloch (STIJ-ee-MOLL-ock; “Horned Demon of the Styx”) is a genus of pachycephalosaurid dinosaur that lived during the Late Cretaceous period, approximately 66 million years ago. Its fossils have been discovered in the Hell Creek Formation and Lance Formation of what is now Montana and Wyoming in the […]